Non-contact power supply primary circuit with current expanding function
A non-contact power supply and circuit technology, applied in circuit devices, electrical components, electromagnetic wave systems, etc., can solve problems such as increasing system cost and complexity, controlling complexity, reducing system efficiency and reliability, and improving primary side efficiency, Effects of high power transfer capability, improved reliability and safety
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[0017] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0018] Such as figure 1 As shown: in order to realize the constant current control of the primary side, the present invention includes an inverter 1 and a primary coil 3 correspondingly connected to the output end of the inverter 1; the inverter 1 is connected to the primary coil 3 There is a primary side compensation circuit 2, the primary side compensation circuit 2 includes a first inductor 21, a first capacitor 22 and a second inductor 23; one end of the first inductor 21 is connected to the positive output terminal of the inverter 1, the second The other end of an inductance 21 is connected with one end of the first capacitor 22 and the first end of the second inductance 23, the second end of the second inductance 23 is connected with one end of the compensation circuit 24 through the primary side coil 3, and the other end of the compensation circuit 24 O...
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